3Com IntelliJack NJ240FX User Manual
3Com IntelliJack NJ240FX User Manual

3Com IntelliJack NJ240FX User Manual

3com intellijack nj240fx: user guide

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User Guide

3Com IntelliJack Switch NJ240FX
http://www.3com.com/
http://esupport.3com.com
Published March 2005
User Guide version 1.0

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Summary of Contents for 3Com IntelliJack NJ240FX

  • Page 1: User Guide

    User Guide 3Com IntelliJack Switch NJ240FX http://www.3com.com/ http://esupport.3com.com Published March 2005 User Guide version 1.0...
  • Page 2 U.S.A. Copyright © 2005 3Com Corporation. All rights reserved. No part of this documentation may be reproduced in any form or by any means or used to make any derivative work (such as translation, transformation, or adaptation) without written permission from 3Com Corporation.
  • Page 3: Table Of Contents

    Installing the Local and Central Configuration Managers ........
  • Page 4 Viewing and Canceling Scheduled Firmware Upgrades ........
  • Page 5: Installing The Nj240Fx

    It brings switching capabilities for up to four networking devices, such as computer, printers, and Voice Over IP (VoIP) telephones to a single fiber uplink to the network. All ports feature 10/100 Mbps auto-negotiation. Power to the IntelliJack is provided...
  • Page 6 NTELLI You can manage the NJ240FX using the included Central Configuration Manager. You can also use a supported SNMP management console as you would with any managed device on your network, but greater management and control is available through the Configuration Manager software. Management features include: •...
  • Page 7: About The Nj240Fx

    About the NJ240FX About the NJ240FX The following diagram shows the front and rear views of the IntelliJack: RJ-45 switched PAN Four 10/100 Mbps auto-negotiation ports, which the (personal area IntelliJack configures for 10 Mbps or 100 Mbps connections network) ports automatically.
  • Page 8: Before You Begin

    • The NJ240FX has been designed for installation into wall or cubicle openings that conform to NEMA standards. • Make sure the distance between the back of the IntelliJack and the inside of the wall or cubicle opening is at least 25mm to maintain an acceptable bend radius on the cable.
  • Page 9: Mounting The Intellijack

    CAUTION: The supplied AC power cable is the only approved power cord that can be used with the unit and is required to maintain proper strain relief of the assembly and AC power cord.
  • Page 10 6 Route the two fiber cables around the cable management feature approximately one turn until you end up in the area with no guide tabs. 7 Plug the supplied AC power cable into the mating plug on the backside of the main housing.
  • Page 11 Mounting the IntelliJack 8 Reassemble the plastic cable tray to the main housing in the reverse order from step 2. NOTE: Care should be taken when reassembling the plastic cable tray to the main housing so as not to damage the four installation guide hooks.
  • Page 12: Connecting Devices To The Nj240Fx

    IntelliJack. The IntelliJack has two ways to connect devices: 1 RJ-45 Personal Area Network (PAN) Ports — any of the four switched ports on the bottom of the IntelliJack. All ports feature 10/100 Mbps auto-negotiation, which configures the NJ240FX IntelliJack for 10 Mbps or 100 Mbps connections automatically.
  • Page 13: Checking The Leds

    Off—the IntelliJack is not connected to or is not forwarding power to an IEEE 802.3af-compliant device. (Power-forwarding) 4, 3, 2, 1 On—a device is connected to the IntelliJack switch and a link has PAN PORTS been established. Off—no link has been established.
  • Page 14 1: I NJ240FX I HAPTER NSTALLING THE NTELLI...
  • Page 15: Installing The Configuration Managers

    Central Configuration managers. NOTE: You will use the Local Configuration Manager for initial configuration of the NJ240FX on your network. It’s usually easiest if you load this software on a laptop and use it to configure IntelliJacks as you install them.
  • Page 16: Installing The Local And Central Configuration Managers

    If not, double-click the setup.exe icon on the CD. 3 Click Next to continue. 4 Carefully read the license agreement. If you agree, select “I accept the terms in the license agreement” and click Next to continue. 5 The installation will present Readme Information. This is also found in the Readme.txt file on the installation CD.
  • Page 17: Sing The Local Configuration Manager

    Configuration Manager software on your computer, you need to perform an initial configuration of the IntelliJack. 1 The first step is to connect your computer to the NJ240FX that you are installing. Attach an Ethernet cable from a computer running the Local Configuration Manager software to any one of the four personal area network (PAN) ports on the front of the NJ240FX.
  • Page 18 “Building A, 3rd floor, room 315, West wall.” 10 Enter a Group Name for this IntelliJack. This can be any name you wish. With the Central Configuration Manager, you can perform management tasks on all IntelliJacks with the same group designation.
  • Page 19: Setting Advanced Options

    If it did not, it will default to the static IP address of 192.168.1.252. 12 If you wish, check the box next to Lock IP Address. Selecting this option will ensure that the IntelliJack will always use a particular address.
  • Page 20 Each field lets you enter any combination of letters and numbers up to 32 characters. Note that this only applies to SNMP v1. If you are using SNMP v3, you will need to create SNMP profiles using the Central Configuration Manager.
  • Page 21: Sing The

    We recommend that you keep the Central Configuration Manager (CCM) running on your machine. Information such as traps and alerts are sent to the CCM on a periodic basis. If you shut off the machine or close the configuration manager, you will not be able to receive this information.
  • Page 22 1 When you launch the Central Configuration Manager, you will see a welcome window like this one: You should select the type of IntelliJack switch you would like to manage with the CCM software. If you are managing an NJ240FX IntelliJack, then enter the password (“password”...
  • Page 23 Discovering IntelliJacks on Your Network 2 Click OK, and you will see a window similar to this one if the CCM is operating in IPv4 mode and you have previously discovered IntelliJacks: If the CCM is operating in IPv6 mode, it will look like this:...
  • Page 24 ENTRAL ONFIGURATION ANAGER 3 Select Discovery from the Devices menu or click the Discover button on the toolbar to load the following window (this window will load automatically the first time you run the Central Configuration Manager). If the CCM is operating in IPv6 mode, the window will look like this:...
  • Page 25 Discovering IntelliJacks on Your Network NOTE: The default subnets are the ones your machine is connected to. 4 You can discover new devices based on a specific subnet or on a specific range of IP addresses. a To discover devices by subnet, select that option on the screen. Click the Add button to add a new subnet to the discovery list.
  • Page 26: Viewing Device Properties

    Name. The option you select in this box determines how the views are displayed in the left pane of the window. When Subnet is selected (the default option), you will see a list of IP subnets to choose from. Selecting Network will show all of the discovered devices in the database.
  • Page 27 Viewing Device Properties 2 Select Property from the Devices menu or from the toolbar. You can also open this window by right-clicking your mouse and selecting Property.
  • Page 28: General Tab

    5 In the middle of this window you’ll see information about each of the four PAN ports on the front of the IntelliJack. You can check to see if the port is Enabled or Disabled, if there is a network link, its priority, whether or not it’s part of a virtual network (VLAN), its 802.1x security setting, if it’s running at half or full duplex,...
  • Page 29: Product Information

    Viewing Device Properties You can double-click on any of the ports to find out more information or configure that particular port. Click OK to save your changes or Cancel to discard them. Product Information 6 Under the Product Information box, you can see the current firmware version of...
  • Page 30: Hardware Settings Tab

    7 Click on the Hardware Settings tab to view status information about the switch. Several fields in this window can be edited, a few cannot. You can change the values of the fields with drop-down lists: Priority Schedule Policy, LAN Port Egress Mode, LAN Port Ingress Mode, LAN Port Speed/Duplex, Max Frame Size, Counter Mode, and Power Forwarding.
  • Page 31 8 Simply select the value you wish to change from the drop-down list of options. NOTE: You can click Apply at any time to save the changes you have made. But be sure to click Apply after you have finished making all your changes.
  • Page 32 Manage VLAN Table button. The screen you see allows you to display all the VIDs that have been assigned to that IntelliJack. You can refresh the list of VIDs or add to it. You can edit existing VLAN settings, tagging schemes and port associations by clicking the Edit button.
  • Page 33: Statistics & Log Tab

    Statistics & Log Tab 11 Click on the Statistics & Log tab. From this view you can see statistics about the number of good or bad packets each port has received and transmitted, based on how you have configured the Counter Mode setting.
  • Page 34: Snmp Settings Tab

    ANAGER You can reset all counters to zero by clicking Clear. To save device data to a log file, click Get Device Log. This will prompt you for a filename and location to save the log file. NOTE: The device log records information regarding watch-dog timer errors or other abnormalities.
  • Page 35 Please note that, as with passwords, these stored profiles will not be displayed, so it is advised that you make note of the details of your saved profiles. You can store up to 14 SNMPv3 User Profiles on your NJ240FX, and you can add, modify or delete a profile.
  • Page 36: Advanced Settings Tab

    Advanced Settings Tab 17 Click on the Advanced Settings tab to see the following window: 18 You can view the Event Alert Level and 802.1X Settings configured for this particular NJ240FX. 802.1X is a security protocol for LANs that relies on the Extensible Authentication Protocol (EAP) to pass messages to RADIUS authentication servers.
  • Page 37 NBX phone plugged in NBX phone removed Next to the Event Alert Level field is a box labeled Receive Alert. If you are running the Central Configuration Manager on more than one machine in your organization, the Receive Alert box will only be active for the last CCM that discovered the device.
  • Page 38: System Log Settings Tab

    19 Click on the System Log Settings tab to display the following window: 20 If the CCM is operating in IPv6 mode, then the screen will present an IPv6 formatted address field. The NJ240FX will store only one set of System Log server addresses, either an IPv4 set or an IPv6 set.
  • Page 39: Changing Device Configuration

    1 Select one or more IntelliJacks from the devices list. NOTE: It is possible to configure multiple IntelliJacks at the same time. 2 Select Configuration from the Devices menu or the toolbar, or right click on a device and select Configuration from the pop-up menu.
  • Page 40: General Configuration Tab

    3 Make sure the General Configuration tab is selected. Identification Settings 4 To change or set the Group Name, check the box next to that field. You can set a Group Name to anything you want, up to 128 characters.
  • Page 41 If you want to ensure that power will not be forwarded at all, however, you could select Force power OFF to any device connected to Port 1.
  • Page 42: Priority & Vlan Configuration Tab

    Configuration window to view these settings: Port Based Settings 12 To change the Port Based Settings, first select the Port’s tab you want to make the changes to. 13 To change the Look-up Scheme from the default of Use Both, click the box and select an option from the drop list.
  • Page 43: Other Vlan Settings

    Changing Device Configuration 14 The default setting for the Default Priority Level is 802.1p Priority 0 or 1. You can change this setting to Priority 2 or 3, Priority 4 or 5, or Priority 6 or 7. The IntelliJack has four traffic queues with two priorities per queue. The lowest numbers (0 and 1) have the lowest priority.
  • Page 44 This setting ensures that you will not risk losing communication with upstream switches due to misaligned VLAN IDs (VIDs). If you want to configure traffic from a port on the IntelliJack, you can add a tag to the frame. This lets you separate traffic into different VLANs.
  • Page 45: Security Configuration Tab

    3Com. 802.1X 23 To change 802.1X settings for a specific port, select that port’s tab and make the changes by clicking the box and selecting an option from the drop list. The default setting for Port Authorize Mode is Disable 802.1X.
  • Page 46 Ethernet switch; no 802.1X control applies. With Standard 802.1X selected, control is enabled. Once the device is authorized, the port it connects to is in the authorized state and all packets entering the port are allowed to pass through. When the Secure 802.1X option is selected, control is enabled. In addition, the IntelliJack will check its ATU to determine if packets entering the port should be forwarded.
  • Page 47 Changing Device Configuration 26 To use 802.1X, you must select a RADIUS server to act as authenticator to devices connected to the NJ240FX. To select a Primary or Secondary RADIUS server, click the box and the Configure button. This will open a separate window.
  • Page 48: Snmp Configuration Tab

    SNMP server, when one or more conditions have been met. Traps are network packets that contain data relating to a component of the system sending the trap. When the condition for the trap has been met, the SNMP agent forms an SNMP packet and sends it to the administration application.
  • Page 49 Please note that, as with passwords, these stored profiles will not be displayed, so it is advised that you make note of the details of your saved profiles. You can store up to 14 SNMPv3 User Profiles on your NJ240FX, and you can add, modify or delete a profile.
  • Page 50: Advanced Configuration Tab

    37 Select the Advanced Configuration tab for this window: Event Alert Levels 38 At the top of this window is a setting to specify the Event Alert Level. The NJ240FX can alert you when specific events occur. While this lets you monitor and respond to network events more quickly, it also creates an additional workload.
  • Page 51 With Data Rate Control settings, you can reduce the network traffic speed on the IntelliJack to as little as 128 Kbps. This can be useful if the machine is in a public area where you only want to provide a minimum speed connection.
  • Page 52: Event Alerts

    Up to 100 Mb Up to 100 Mb 43 You can change the LAN Port Speed and Duplex settings. The default setting is for the switch to automatically negotiate a speed and duplex that matches your current network. However, you can select a setting between 10 and 100Mbps and between Half and Full Duplex.
  • Page 53 802.1Q VLAN Mode Disable VLANs Data Rate Limit All frames Maximum Data Rate No limit The values that remain unchanged when you click Restore Base Configuration are: • Group Name • Location Name • Password • IP Address • DHCP Settings •...
  • Page 54: System Log Settings Tab

    System Log Settings Select the System Log Settings tab to view this window: 46 If you are running a Syslog Server on your network, you can configure the NJ240FX to send Syslog messages to this server. You can specify up to two...
  • Page 55 Enter your password and click Start. As the IntelliJacks are configured, their status will be updated in the Status column. 49 If you want to schedule the configuration changes to take effect at a later time or date, click the Schedule button. The schedule function lets you schedule when you want a configuration operation to occur.
  • Page 56: Finding Computers Connected To Intellijacks

    Central Configuration Manager to find the right IntelliJack. 1 Select Find Location from the Tools menu. You will see a window like this: 2 Enter the IP address or the MAC address of the network device you wish to find. 3 Click the Find button.
  • Page 57: Upgrading The Nj240Fx Firmware

    3 Select Yes to continue the upgrade operation. A window like this will appear: 4 Select a valid firmware image by typing the path to the file or by using the Browse button. This file is the one that you have downloaded and saved to your hard disk...
  • Page 58 6 Click Next and a window like this will appear: 7 Review the list of IntelliJacks you want to upgrade. If you want to modify this list, click Cancel and restart the firmware upgrade procedure.
  • Page 59 Upgrading the NJ240FX Firmware 8 Type your password in the Password field, then click Finish. The Upgrade Progress dialog box will appear.
  • Page 60: Viewing Log Files

    History from the View menu. A window like this will appear: To view the details of a particular log, select it and click Detail. If an upgrade or configuration operation fails for some reason, a message will appear in the log...
  • Page 61: Viewing And Canceling Scheduled Firmware Upgrades

    1 Select Manage Schedule from the Tools menu. A window like this will appear: 2 To view the details of a scheduled upgrade, select it from the list and click Show Devices. To cancel a scheduled upgrade, select it from the list and click Delete.
  • Page 62 4: U HAPTER SING THE ENTRAL ONFIGURATION ANAGER...
  • Page 63: Troubleshooting The Nj240Fx

    Troubleshooting the NJ240FX If you encounter problems with the IntelliJack: Verify the IntelliJack is receiving power by viewing the Power LED (it should be on). If the Power LED is not on, make sure that: The local power supply is plugged into the IntelliJack and into a working electrical outlet.
  • Page 64 Power is not being Make sure the cable is properly not on forwarded to network connected to Port 1 of the IntelliJack. device Make sure the cable is properly connected to the powered device. Make sure the IntelliJack is configured to match the cable - either straight through or crossover.
  • Page 65: Where To Go For Help

    3Com eSupport services are based on accounts that you create or have authorization to access. First time users must apply for a user name and password that provides access to a number of eSupport features including Product Registration, Repair Services, and Service Request.
  • Page 66: Contact Us

    Obtaining Support users will need to apply for a user name and password. A link to software downloads can be found from this http://eSupport.3com.com/ page, or located from the www.3Com.com home page. Software Upgrades are the software releases that follow the software version included with your original product.
  • Page 67 0800 446 398 Thailand 001 800 611 2000 Pakistan +61 2 9937 5083 You can also obtain support in this region using the following e-mail, apr_technical_support@3com.com Or request a repair + 65 543 6348 authorization number (RMA) by fax using...
  • Page 68 Obtaining Support Latin America You can obtain support in this region using the following URLs: Spanish speakers, enter the URL: http://lat.3com.com/lat/support/form.html Portuguese speakers, enter the URL: http://lat.3com.com/br/support/form.html English speakers in Latin America should send e-mail to: lat_support_anc@3com.com Or call using the following numbers:...
  • Page 69: Product Specifications

    100 Mbps Ethernet Ethernet IEEE 802.3u industry standard for a 100 Mbps baseband 100BASE-TX CSMA/CD local area network 100 Mbps Ethernet Ethernet IEEE 802.3u industry standard for a 100 Mbps fiber local 100BASE-FX area network Performance Auto-negotiation Communication speed (10 Mbps or 100 Mbps) and duplex mode (full or half) can be determined through auto-negotiation with the attached devices.
  • Page 70 Product Specifications Power Ratings Input rated 100 - 240 V AC, 50 - 60 Hz, 0.3 A Output rated 48 V DC, 300 mA MIB Support MIB II (RFC 1213) Bridge MIB (RFC 1493) Ether-like MIB (RFC 1643) MIB for MAUs (RFC 2668) MIB for bridge with extensions (RFC 2674) 802.1x MIBs...
  • Page 71 InUnicasts Total valid frames received with a unicast Destination Address. A valid frame has a good FCS and its size is greater than 64 bytes and less than 1518 for non tagged frames, 1522 for tagged frames, or 1535 if MaxFrameSize =1 (set in global control register).
  • Page 72 Excessive counter. InFiltered If 802.1Q is disabled on the port, these are the total valid frames received that are not forwarded to a destination port. These are frames for which the destination port vector is 0 or are not forwarded due to the state of the portState bits.
  • Page 73 Excessive Total number of frames not transmitted because the frame experienced 16 transmission attempts and was discarded. The discard will only occur if DiscardExcessive is set to a 1 (in global control register). Multiple Total number of successfully transmitted frames that experienced more than on collision.
  • Page 74 Product Specifications...
  • Page 75 (FCC) EMC OMMISSION This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC OMPLIANCE Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

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